positive:
  values:
    - internal:
        clusterMasterAddresses: []
    - internal:
        clusterMasterAddresses: ["10.2.3.4", "10.5.6.7"]
negative:
  values:
  - internal:
      clusterMasterAddresses: "foobar"
  - internal:
      clusterMasterAddresses: ""
  - internal:
      clusterMasterAddresses: true
